12115116 has 48 divisors (see below), whose sum is σ = 33829600. Its totient is φ = 3727296.

The previous prime is 12115091. The next prime is 12115123. The reversal of 12115116 is 61151121.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2911 + ... + 5718.

Almost surely, 2^12115116 is an apocalyptic number.

It is an amenable number.

12115116 is an abundant number, since it is smaller than the sum of its proper divisors (21714484).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12115116 is a wasteful number, since it uses less digits than its factorization.

12115116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8655 (or 8647 counting only the distinct ones).

The product of its digits is 60, while the sum is 18.

The square root of 12115116 is about 3480.6775202538. The cubic root of 12115116 is about 229.6726028656.

Adding to 12115116 its reverse (61151121), we get a palindrome (73266237).

The spelling of 12115116 in words is "twelve million, one hundred fifteen thousand, one hundred sixteen".